I can face you can face he can face we can face you can face they can face
V-ing form
I can be facing you can be facing he can be facing we can be facing you can be facing they can be facing
Perfect
I can have faced you can have faced he can have faced we can have faced you can have faced they can have faced
V-ing perfect
I can have been facing you can have been facing he can have been facing we can have been facing you can have been facing they can have been facing
Negation
Simple form
I can't face you can't face he can't face we can't face you can't face they can't face
V-ing form
I can't be facing you can't be facing he can't be facing we can't be facing you can't be facing they can't be facing
Perfect
I can't have faced you can't have faced he can't have faced we can't have faced you can't have faced they can't have faced
V-ing perfect
I can't have been facing you can't have been facing he can't have been facing we can't have been facing you can't have been facing they can't have been facing
Interrogative form
Simple form
can I face? can you face? can he face? can we face? can you face? can they face?
V-ing form
can I be facing? can you be facing? can he be facing? can we be facing? can you be facing? can they be facing?
Perfect
can I have faced? can you have faced? can he have faced? can we have faced? can you have faced? can they have faced?
V-ing perfect
can I have been facing? can you have been facing? can he have been facing? can we have been facing? can you have been facing? can they have been facing?
Interro-negative form
Simple form
can't I face? can't you face? can't he face? can't we face? can't you face? can't they face?
V-ing form
can't I be facing? can't you be facing? can't he be facing? can't we be facing? can't you be facing? can't they be facing?
Perfect
can't I have faced? can't you have faced? can't he have faced? can't we have faced? can't you have faced? can't they have faced?
V-ing perfect
can't I have been facing? can't you have been facing? can't he have been facing? can't we have been facing? can't you have been facing? can't they have been facing?